vacuum pumping

См. также в других словарях:

• vacuum pumping installation — vakuuminis siurbimo įrenginys statusas T sritis radioelektronika atitikmenys: angl. vacuum pumping installation vok. Vakuumpumpanlage, f rus. вакуумная установка откачки, f pranc. installation de pompage sous vide, f …   Radioelektronikos terminų žodynas

• Vacuum pump — A vacuum pump is a device that removes gas molecules from a sealed volume in order to leave behind a partial vacuum. The vacuum pump was invented in 1650 by Otto von Guericke. Types Pumps can be broadly categorized according to three… …   Wikipedia

• Vacuum — This article is about empty physical space or the absence of matter. For other uses, see Vacuum (disambiguation). Free space redirects here. For other uses, see Free space (disambiguation). Pump to demonstrate vacuum In everyday usage, vacuum is… …   Wikipedia

• Vacuum sewer — Vacuum sewers were first installed in Europe in 1882 but until the last 30 years it had been relegated to a niche market. The first who has applied the negative pressure drainage (so called vacuum sewerage) was the Dutch engineer Liernur in the… …   Wikipedia

• vacuum — [vak′yo͞om, vak′yo͞o əm] n. pl. vacuums or vacua [vak′yo͞o ə] [L, neut. sing. of vacuus, empty] 1. a space with nothing at all in it; completely empty space 2. a) an enclosed space, as that inside a vacuum tube, out of which most of the air or… …   English World dictionary

• Vacuum evaporation — is the process of causing the pressure in a container to fall until water s boiling point has been lowered to room temperature. When the process is applied to food and the water is evaporated and removed, the food can be stored for long periods… …   Wikipedia

• vacuum technology — Introduction       all processes and physical measurements carried out under conditions of below normal atmospheric pressure. A process or physical measurement is generally performed in a vacuum for one of the following reasons: (1) to remove the …   Universalium

• Vacuum mattress — A vacuum mattress, or vacmat, is a medical device used for the immobilisation of patients, especially in case of a vertebra, pelvis or limb trauma (especially for femur trauma). It is also used for manual transportation of patients for short… …   Wikipedia

• Ultra high vacuum — (UHV) is the vacuum regime characterised by pressures lower than about 10−7 pascal or 100 nanopascals ( 10−9 torr). UHV requires the use of special materials in creating the vacuum system, extreme cleanliness to maintain the vacuum system, and… …   Wikipedia

• Manifold vacuum — Not to be confused with Vacuum manifold. Manifold vacuum, or engine vacuum in an internal combustion engine is the difference in air pressure between the engine s intake manifold and Earth s atmosphere. Manifold vacuum is an effect of a piston s… …   Wikipedia

• Alcatel Vacuum Technology — Infobox Company company name = Alcatel Vacuum Technology company foundation = 1952 as manufacturing site, 1997 as Alcatel Vacuum Technology France SAS num employees = 500+ (2007) location = Annecy, 98 avenue de Brogny, France key people =… …   Wikipedia